11522060
Descrição
Mapa Mental por Irene Binil, atualizado more than 1 year ago
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Criado por Irene Binil
quase 7 anos atrás
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Physical Properties
of Group 2 Elements
- Electron Arrangments
- Highest 2 electrons in 's' subshell
- Down the group, highest
energy electrons are held
further out from nucleus
- Forms +2 ions
- Highest 2 electrons in 's' subshell
- Atomic Radius
- Increase in size going down the group
- Increase in size going down the group
- Melting Point
- Group 2 elements are all metals
so they have high melting
points
- Magnesium is an anomaly, lowest melting point
of Group2
- Group 2 elements are all metals
so they have high melting
points
- Ionisation Energies
- Group II elements forms
+2 ions in all reactions
- Both 1st and 2nd ionisation
energies decrease down the
group
- Group II elements forms
+2 ions in all reactions
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